CN1263819A - Correcting method for liner bush center of injection channel in ejection mould and nozzle center - Google Patents
Correcting method for liner bush center of injection channel in ejection mould and nozzle center Download PDFInfo
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- CN1263819A CN1263819A CN 99125115 CN99125115A CN1263819A CN 1263819 A CN1263819 A CN 1263819A CN 99125115 CN99125115 CN 99125115 CN 99125115 A CN99125115 A CN 99125115A CN 1263819 A CN1263819 A CN 1263819A
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- sprue bushing
- screen
- nozzle
- video camera
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Abstract
A correcting method for aligning the liner center of injection channel in ejection mould with nozzle center for small error, saving raw material and higher safety features that a flow path camera is used to project the center of nozzle onto center position of screen, projecting the liner center of injection channel onto said screen, detecting their distance difference, and directly regulating the position of ejection mould until two center positions are coincided with each other.
Description
The invention belongs to the bearing calibration of plastic rubber shaping part of appliance, the bearing calibration of particularly a kind of jetting mold sprue bushing center and nozzle center.
As shown in Figure 1, general plastic rubber ejaculate molding is that mould 10 is locked in movable disk 21, and makes sprue bushing 11 and nozzle 31 cent(e)rings unification, and the plastic material of nozzle 31 is injected in the die cavity 12.If there is deviation slightly the center, will cause plastic material to overflow from sprue bushing 11 negative sides, cause finished product moulding smoothly.Therefore the correction of sprue bushing 11 centers of mould 10 promptly seems especially important.
Yet on the general mould 10 during fixed disk 22 earlier by the technical staff with the mode of range estimation awl mouth 221 centers that are centered close to fixed disk 22 with sprue bushing 11, re-use probe, other modes such as chalk or paster trial fire of smearing proofread and correct the center.
(1) mode of use probe: as shown in Figure 2, main system plants an elongated probe 40 go in the nozzle 31, slowly will expect pipe 30 reaches then, check the departure at probe 40 ends and sprue bushing 11 centers in the range estimation mode, adjust the position of mould 10 gradually, hold to go in the sprue bushing 11 until probe 40, and carry out the trial fire action, check whether the notes road of sprue bushing 11 overflows plastic material.If when having plastic material to overflow, then must adjust again, align until the center.So the time of proofreading and correct is long and number of test firing is a lot of, and this probe 40 is easy to be clashed into and crooked scrapping when aligned position in addition, and mortality is quite high, and its economic benefit is relatively poor.
(2) smear the mode of chalk: be that chalk is applied on the sprue bushing 11, and moving nozzle 31 touches sprue bushing 11, and inspect the position of touching of chalk layer on the sprue bushing 11, adjust the position more one by one, and monitor the situation that contacts of nozzles 31 and sprue bushing 11 by the awl mouth 221 of fixed disk 22, check via the method for trial fire whether plastic material overflows again, involutory until the center.
(3) mode of using paster to fire for adjustment: as shown in Figure 3, system is affixed on a paper 50 on the sprue bushing 11, moves material pipe 30, makes nozzle 31 touch paper 50, perhaps fire out the point-like plastic material for adjustment, move back discharge nozzle 30 and check the shrinkage pool of paper 50 or the position of adjusting point, as the foundation of adjusting mould 10, until the center near the time remake the trial fire action, whether check has overflow phenomena, until central involution, yet the number of times of its correction is a lot of, and correction time is very long.
The bearing calibration of aforesaid center, the awl mouth 221 that can see through fixed disk 22 when expecting pipe 30 reaches is inspected nozzle 31 and sprue bushing 11 approaching involutory situations, but it is quite high because of material pipe 30 temperature that material pipe 30 holds to go into awl mouthful 221 backs, it is close to make the operator be difficult to, make that sight is parallel inspects, even bear heavy also longer because of awl mouthful 221 degree of depth, and light quilting pipe blocks can't be visual, therefore can only enter awl at nozzle 31 mouthfuls 221 o'clock reaches sensation by rule of thumb and over and over again adjusts and fire for adjustment, but awl mouthful 221 pitch-dark distances are long and the error amount of stravismus range estimation is very big, thereby cause the blind spot of inspecting, inspect the generation of error amount, the waste and the operator of trial fire raw material are subject to shortcomings such as scald.
The purpose of this invention is to provide a kind ofly inspect that error is little, conservation and ensure the jetting mold sprue bushing center of operator's safety and the bearing calibration of nozzle center.
The main flow process of the present invention is:
(1) camera position:
Swing arm travelling shot machine makes the center of nozzle be projected to the screen center.
(2) center of projection sprue bushing on screen:
Video camera must be with the sprue bushing projection on screen.
(3) inspect the gap of sprue bushing center:
Inspect the gap of the cross center of the center of sprue bushing and screen, as adjustment
The reference data of mould distance.
(4) fine setting center unification:
After reading the equation of the ecentre distance of sprue bushing, directly adjust the position of mould, until sprue bushing
The cross center that is centered close to screen, promptly overlapping with the center of nozzle.
Wherein:
Behind the location, the center of video camera, on awl mouthful, put on mark, whether correct as inspecting the video camera center, keep the center of video camera to place accurately under the state.
The swing arm system that adjusts by swing is hubbed on the fixed disk of Jet forming machine.
Screen is provided with the cross coordinate of band scale.
Because flow process of the present invention is that camera position makes the center of nozzle be projected to the screen center; With sprue bushing central projection on screen; Inspect the gap of the cross center of the center of sprue bushing and screen, as the reference data of adjusting the mould distance; According to the equation of the ecentre distance of sprue bushing, directly adjust the position of mould, until the cross center that is centered close to screen of sprue bushing, promptly overlapping with the center of nozzle.By the above-mentioned steps mode, can the very fast center of correctly adjusting sprue bushing, and, operate very simple and easyly by directly inspecting correction on the screen, avoid the danger of scalding, and the study of operating procedure is very simple and easy to be reached rapidly, need not to adjust mould, make and to train the adjustment technology personnel rapidly, not only inspect little, the conservation of error by the experience sensation, and ensure operator's safety, thereby reach purpose of the present invention.
Fig. 1, be Jet forming machine and die assembly structural representation front view.
Fig. 2, for to proofread and correct sprue bushing center schematic diagram in the probe mode of commonly using.
Fig. 3, for to proofread and correct sprue bushing center schematic diagram in the paster mode of commonly using.
Fig. 4, penetrate the shaping machine structure diagrammatic elevation view for proofreading and correct the sprue bushing center with the present invention.
Fig. 5, be A portion partial enlarged drawing among Fig. 4 (before show adjusting on the trial fire sheet adjusting point position).
Fig. 6, be A portion partial enlarged drawing among Fig. 4 (show adjust back adjusting point image move to center position).
Fig. 7, be A portion partial enlarged drawing among Fig. 4 (showing that adjusting a back awl mouthful mark establishes).
Fig. 8, for operational flowchart of the present invention.
Fig. 9, it is A portion partial enlarged drawing among Fig. 4 (show adjust before sprue bushing position).
Figure 10, it is A portion partial enlarged drawing among Fig. 4 (show adjust back sprue bushing position).
Below in conjunction with accompanying drawing the present invention is further elaborated.
As shown in Figure 4, the present invention mainly lies in the swing arm 61 that is pivoted on the fixed disk 22 of Jet forming machine, is provided with a minicam 50 in swing arm 61 ends.Swing arm 61 is done swing and is moved, and order material pipe 30 is held in the awl mouth 221 that stretches into fixed disk 22.The signal system of video camera 60 is connected on the computer screen 70 of Jet forming machine, makes screen 70 can show the position of the thing of photographing.
Aforesaid swing arm 61 also must be thought the telescopic folding arm, with the mode travelling shot machine 60 of telescopic folding, makes video camera 60 locate or recess.
As shown in Figure 8, the sprue bushing center flow process of Correction Die is; Camera position, in a fixed disk awl mouthful making center mark establish, road lining center, road unification is annotated in projection sprue bushing center, the gap of inspecting the sprue bushing center, fine setting on screen.
(1) camera position:
Its image is made zero in screen 70 cross origin of coordinates, it is that a trial fire sheet 51 is fixed on the sprue bushing 11, move material pipe 30, make nozzle 31 touch trial fire sheet 51, and on trial fire sheet 51, fire the point-like plastic material for adjustment, by swing arm 61 video camera 60 dislocation fixed disks 22 are bored mouthful 221 centers.As shown in Figure 5, its image is revealed on the screen 70.By fine setting swing arm 61, as shown in Figure 6, the adjusting point 52 that video camera 60 will be fired for adjustment on the sheet 51 just moves on the screen 70 cross coordinate centers, makes video camera 60 locate, and image makes zero, and so the center of nozzle 31 promptly is projected to screen 70 centers.
(2) establish in a fixed disk awl mouthful making center mark:
Behind the location, center of video camera 60, must put on mark on awl mouth 221, whether video camera 60 centers are correct as inspecting.As shown in Figure 7, this awl mouth 221 is revealed on the screen 70, must on awl mouthful 221 surfaces and screen 70 position overlapped, draw a subscript and establish 222, and establish 222 accuracy of making by inspecting mark on the screen 70 synchronously, establishing 222 location that can be used as video camera 60 by mark inspects, under more than 10 displacement of mould and more than 60 swing of video camera operating position, add mechanism's vibrations factor, the center of video camera 60 unavoidably to some extent error depart from, whether mat is established 222 with the mark on awl mouthful 221 surfaces and is inspected screen 70 centers and establish 222 overlapping with mark, can detect the accuracy of screen 70 centers, as the reference whether proofread and correct again video camera 60 centers, keep the center of video camera 60 to place accurately under the state.
(3) center of projection sprue bushing on screen:
Take off trial fire sheet 51, and the sprue bushing 11 that will be approximately be fixed in fixed disk 22 molds 10 adjusts awl mouth 221 positions in fixed disk 22, as shown in Figure 9, must be on screen 70 by video camera 60 with sprue bushing 11 projections.
(4) inspect the gap of sprue bushing center:
As shown in Figure 9, inspect the gap of the center of sprue bushing 11 and the cross center of screen 70 (center of nozzle 31), read gap numerical value, as the reference data of adjusting mould 10 distances by screen 70 high scale values.
(5) fine setting center unification:
After reading the equation of the ecentre distance of sprue bushing 11, directly adjusted the position of mould 10, and as shown in figure 10, can be directly by observing out the distance that sprue bushing 11 moves on the screen 70, until the cross center that is centered close to screen 70 of sprue bushing 11, promptly overlapping with the center of nozzle 31.
By the above-mentioned steps mode, can the very fast center of correctly adjusting sprue bushing, and by glimmering Directly inspect correction on the curtain, operate very simple and easyly, avoid the danger of scalding, and the study of operating procedure very Simple and easy and rapid, need not to adjust mould by the experience sensation, make and can train rapidly the adjustment technology personnel. Make Use and have following advantages:
1, operation is simple and easy, reads the departure of sprue bushing by video camera, directly adjusts the sprue bushing center The overlapping adjustment of namely finishing the center in position and screen cross center operates very simple and easy.
2, the rapid and accurate positioning height of center adjustment, complete amount of movement by screen monitoring sprue bushing And the shift position, moving direction determines and rapidly, reduces the time that mold center proofreaies and correct that centralized positioning is accurate Degree is high, the factors such as the caused tired burnout of the personnel that prevent, dryization of mood, hasty carelessness, raise the efficiency, When reduction school mould is slow-witted, relatively be improved production capacity, the Effective Raise economic benefit.
3, the technical staff cultivate rapid and simple and easy, the technology of proofreading and correct the sprue bushing center break traditions need have many Year is proofreaied and correct the routine of practical work experience, catches image by video camera, affirmation anchor point and shift position Direction, so that the alignment technique of center is more simple and easy, really, technical staff's cultivation is non-rapidly in study Rapidly normal.
4, avoid because of visual too close material Guan Gaore, the probability of stopping to scald improves the security that operates, and advances And raising attendance rate.
In sum, the present invention is auxiliary by video camera, so that the adjustment of mould sprue bushing center More simple and easy, rapidly and accuracy higher, the economic benefit height effectively promotes the industrial technology grade.
Claims (4)
1, the bearing calibration of a kind of jetting mold sprue bushing center and nozzle center is characterized in that its main flow process is:
(1) camera position:
Swing arm travelling shot machine makes the center of nozzle be projected to the screen center.
(2) center of projection sprue bushing on screen:
Video camera must be with the sprue bushing projection on screen.
(3) inspect the gap of sprue bushing center:
Inspect the gap of the cross center of the center of sprue bushing and screen, as adjustment
The reference data of mould distance.
(4) fine setting center unification:
After reading the equation of the ecentre distance of sprue bushing, directly adjust the position of mould, until sprue bushing
Be centered close to the cross center of screen, promptly overlapping with the center of nozzle.
2, the bearing calibration of jetting mold sprue bushing center according to claim 1 and nozzle center, after it is characterized in that the location, center of described video camera, on the awl mouth, put on mark, whether correct as inspecting the video camera center, keep the center of video camera to place accurately under the state.
3, the bearing calibration of jetting mold sprue bushing center according to claim 1 and nozzle center is characterized in that the described swing arm system that adjusts by swing is hubbed on the fixed disk of Jet forming machine.
4, the bearing calibration of jetting mold sprue bushing center according to claim 1 and nozzle center is characterized in that described screen is provided with the cross coordinate of band scale.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN99125115A CN1101749C (en) | 1999-11-25 | 1999-11-25 | Correcting method for liner bush center of injection channel in ejection mould and nozzle center |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN99125115A CN1101749C (en) | 1999-11-25 | 1999-11-25 | Correcting method for liner bush center of injection channel in ejection mould and nozzle center |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1263819A true CN1263819A (en) | 2000-08-23 |
| CN1101749C CN1101749C (en) | 2003-02-19 |
Family
ID=5283742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN99125115A Expired - Fee Related CN1101749C (en) | 1999-11-25 | 1999-11-25 | Correcting method for liner bush center of injection channel in ejection mould and nozzle center |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1101749C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101342778B (en) * | 2008-09-03 | 2011-02-16 | 中国华录·松下电子信息有限公司 | Mould inclined top regulating method capable of correcting depth of parallelism of hole core axial cord of plastic products |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07137831A (en) * | 1993-11-16 | 1995-05-30 | Inoac Corp | Foaming body feeder for inspection |
| JPH08102878A (en) * | 1994-10-03 | 1996-04-16 | Shonan Gosei Jushi Seisakusho:Kk | Device and method for monitoring inside of pipe |
-
1999
- 1999-11-25 CN CN99125115A patent/CN1101749C/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101342778B (en) * | 2008-09-03 | 2011-02-16 | 中国华录·松下电子信息有限公司 | Mould inclined top regulating method capable of correcting depth of parallelism of hole core axial cord of plastic products |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1101749C (en) | 2003-02-19 |
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